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Request Schematic or help with Compaq TFT5000

May 3 2005 at 1:21 PM
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  (Login WGGDROW)

Hello, I have a common problem with 5 or 6 Compaq TFT5000 LCD Swivel screens, Compaq Part# 325701-001, Build 1999 from Taiwan.

The screens whine when powered on and horizontal lines flicker through the screen until it warms up. When restarted the monitor will do the same thing again. After a few minutes the screens are clear and no noise.

Noise is emitting from components that surround 3 IC chips that run horizontally at the bottom of the board. The IC's are labelled '9920B'. If anyone has a schematic, has a repair suggestion or knows where I can purchase schematics (compaq no longer carries), please forward the info to me.

While the system is on and I check resistances on various surface mount resistors in those areas, the whine comes back while I check them.

Thanks for any help
Woodrow

 
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AuthorReply
Richard B
(no login)

Re: Request Schematic or help with Compaq TFT5000

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May 3 2005, 3:34 PM 

Hi I belive there are some SMD electrolytics near the bottom left corner where the DC from the plug board comes in that go high in ESR.

Rich

 
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(Login beuvema)

Black screen

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July 5 2005, 2:28 PM 

Hi everyone,

I need som assistance repairing a Compaq TFT500 Flat panel.
The only think I see when plugging in the power, is the orange LED (in powerswitch on right bottomside of monitor)flickering.
If anyone has a clue or a schematic / Service manual I would be very gratefull.

Greetz Beuvema

 
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(Login rajamanickam73)

schematics

Score 1.0 (1 person)
May 7 2005, 3:55 PM 


I have schematics diagrams,service manual's for the given below moniter's,if anybody want these all please mail me at [email protected]

1)AOC Digital ADC 56A
2)LG CS545
3)LG FB 775B
4)LG FB795B
5)LG Digital Studioworks 45V
6)LG Digital Studioworks 400A
7)LG Digital Studioworks 563N
8)LG Digital Studioworks 552V
9)MICROTEK Mtek Digital Digi Sync M-1456U
10)MICROTEK Mtek INFORMATIC
11)MICROTEK Mtek SUPERSCAN PREMIUM
12)MICROTEK Mtek MONO VGA M-1468
13)PHILIPS Digital 105S 11/97 COLOUR MONITER WITH OSD
14)SALORA Digital 14ED
15)SAMSUNG Digital 45BN
16)SAMSUNG DP15H5
17)SAMSUNG COLOUR VGA
18)SAMSUNG Digital CHB7707
19)SAMSUNG Digital CSE700P(CSE7839)
20)SAMSUNG Digital CSE700IFT(CSE780B)
21)SAMSUNG Digital CSE7829
22)SAMSUNG Digital CSE900P(CSE9839)
23)SAMSUNG Digital CSE900IFT(CSE980B)
24)SAMSUNG Digital CSE9829
25)SAMTRON Digital 56V
26)SAMTRON Digital 45B
27)SAMTRON SC-428PS Analog colour Moniter
28)SONY X-110 Chassis Digital CPD 210GS Chassis number SCC-l27C-A SCC-L27D-A
CPD 210EST
29)DAEWOO 432X
30DAEWOO 523X
31)SAMTEL FREEDOM SV 370
32)SAMTEL SVGA MONO SV550
33)TVM MD-7



 
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(no login)

hello send me philips 105s diagram

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May 25 2005, 10:29 AM 

hello sir,
i am a technician
so pls send philips 105 s schemetic diagram

 
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the terminator
(no login)

Digital Piracy Raids Internet Arrests-schematics

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July 7 2005, 12:15 PM 

Digital Piracy Raids Internet Arrests July 4-2005
# Four are taken into custody in 11 countries in a series of actions targeting 20 groups.

Law enforcement officials in 11 countries swooped in on more than 20 groups accused of being key suppliers of pirated goods online, arresting four people and seizing computers stuffed with bootlegged movies, games, illegal materials, stolen software, etc

The Wednesday raids, dubbed "Operation Site Down" by the U.S. Department of Justice, targeted high-level "warez" groups, the secretive online communities that obtain and distribute pirated computer programs and other digital goods.


"This is the very top of the online piracy pyramid," said John Malcolm, a former Justice Department official who leads the anti-piracy efforts. Evidence seized should lead investigators to more groups, he said, and many others should be deterred by the prospect of serving "serious jail time."

A new federal law sets penalties of up to 10 years in prison for anyone caught distributing a movie or song before its commercial release.

On Monday, the Supreme Court ruled that two well-known file-sharing networks could be sued for inducing piracy, and on Wednesday a federal jury for the first time convicted someone of criminal copyright infringement for recording movies with a video camera in a theater. Meantime, the major record labels continued their campaign of suing individual users of file-sharing networks, filing lawsuits against 784 people suspected of infringing copyrights.

Pressed hard by entertainment and software companies, the Justice Department has launched three major international assaults on warez groups since 2000. This week's operation — which included raids in Europe, Australia and Israel — was the product of three separate undercover investigations by FBI agents in San Jose, Chicago and Charlotte, N.C.

According to the Justice Department, agents raided more than 70 sites in the United States and more than 20 others abroad. The raids shut down at least eight online distribution points for pirated goods, some of which had been created during the course of the investigation.

 
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Anonymous
(no login)

hard to fix

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July 7 2005, 4:48 PM 

Moises the rabbi is a natural born manipulator having a twisted mind.
He tries hard to control the public opinion. Animal control regulation will catch that pervert and put Moises in a safe place. He is the antiChrist with clear intentions to destroy and mislead. Moises is a full time scavenger with no respect for law and order

 
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(Login kapsoncool)

diagram of lg monitor

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July 11 2005, 4:56 AM 

hello sir,
i am technician plz send me the diagram of L G CB553, LG 440Ssi
thanks

 
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(no login)

friendly.....

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February 3 2006, 1:45 PM 

Hello Mr.Rajamanikam, i was found your name at monitor
repair.com web site. i am also having some monitor
circuits in pdf format. if you want i am also ready
to share. my email id is [email protected] and
[email protected] thank you. i hope we will
meet again.... n.srinivasa,namakkal.

 
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(no login)

friendly.....

No score for this post
February 3 2006, 1:50 PM 

samsung 56e model monitor,the fault was the osd display
on the screen was not disappear, even i was pressed exit
button still the osd on the screen. I was replaced crt
board and micom,memory chip and checked iiclock and iidata. but the fault still remain. please anyone know
the solution, kindly intimate me to my email address

 
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Digger
(no login)

Re: Request Schematic or help with Compaq TFT5000

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January 10 2006, 2:26 PM 

You can find a solution to your problem in:
http://www.fixya.com/Product.aspx?prdid=400349

 
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